{"title":"纳米晶Ni81P19合金的晶粒生长","authors":"Á. Révész , J. Lendvai , I. Bakonyi","doi":"10.1016/S0965-9773(00)00432-3","DOIUrl":null,"url":null,"abstract":"<div><p>Isothermal annealing of a Ni<sub>81</sub>P<sub>19</sub><span><span> amorphous alloy performed at 600 K for 1200 s resulted in the formation of a nanocrystalline state with 10 nm average grain size. </span>Differential scanning calorimetry<span> (DSC) and X-ray diffraction (XRD) measurements were performed to study the influence of further heat treatments. Linear-heating DSC scan starting from the nanocrystalline state revealed a broad exothermic contribution between 600 K and 770 K, corresponding to a grain-growth process. Isothermal annealing of the nanocrystalline alloy yields the complete formation of fcc-Ni and Ni</span></span><sub>3</sub>P phases. This process took place by normal grain-growth at low annealing temperatures, while abnormal grain-growth was observed with increasing annealing temperatures.</p></div>","PeriodicalId":18878,"journal":{"name":"Nanostructured Materials","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1999-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0965-9773(00)00432-3","citationCount":"6","resultStr":"{\"title\":\"Grain growth in a nanocrystalline Ni81P19 alloy\",\"authors\":\"Á. Révész , J. Lendvai , I. Bakonyi\",\"doi\":\"10.1016/S0965-9773(00)00432-3\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Isothermal annealing of a Ni<sub>81</sub>P<sub>19</sub><span><span> amorphous alloy performed at 600 K for 1200 s resulted in the formation of a nanocrystalline state with 10 nm average grain size. </span>Differential scanning calorimetry<span> (DSC) and X-ray diffraction (XRD) measurements were performed to study the influence of further heat treatments. Linear-heating DSC scan starting from the nanocrystalline state revealed a broad exothermic contribution between 600 K and 770 K, corresponding to a grain-growth process. Isothermal annealing of the nanocrystalline alloy yields the complete formation of fcc-Ni and Ni</span></span><sub>3</sub>P phases. This process took place by normal grain-growth at low annealing temperatures, while abnormal grain-growth was observed with increasing annealing temperatures.</p></div>\",\"PeriodicalId\":18878,\"journal\":{\"name\":\"Nanostructured Materials\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1999-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/S0965-9773(00)00432-3\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Nanostructured Materials\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0965977300004323\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nanostructured Materials","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0965977300004323","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Isothermal annealing of a Ni81P19 amorphous alloy performed at 600 K for 1200 s resulted in the formation of a nanocrystalline state with 10 nm average grain size. Differential scanning calorimetry (DSC) and X-ray diffraction (XRD) measurements were performed to study the influence of further heat treatments. Linear-heating DSC scan starting from the nanocrystalline state revealed a broad exothermic contribution between 600 K and 770 K, corresponding to a grain-growth process. Isothermal annealing of the nanocrystalline alloy yields the complete formation of fcc-Ni and Ni3P phases. This process took place by normal grain-growth at low annealing temperatures, while abnormal grain-growth was observed with increasing annealing temperatures.
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